OPPS I missed one, Last Order: Final Fantasy VII

Narrated by Tseng, leader of the elite espionage and assassination division known as the Turks, Last Order switches between the Nibelheim incident and Zack's escape to Midgar with his unconscious friend, Cloud Strife. During the Nibelheim event, Sephiroth, insane after discovering his origins, sets fire to the village of Nibelheim. After killing many villagers, he proceeds to the Nibelheim reactor where Jenova has been encased. Tifa, a resident of Nibelheim, attacks him soon after he arrives. Sephiroth knocks her aside and continues to Jenova's body, preserved in a large glass tank filled with liquid. Zack follows Sephiroth into the reactor and they engage in combat. Sephiroth is able to disarm and incapacitate Zack. Sephiroth returns to Jenova's body, but does not notice the military grunt Cloud approaching.

 

Cloud immediately impales Sephiroth with his sword, cracking Jenova's glass tank. He returns to Tifa and the two converse, while Sephiroth cuts off Jenova's head. He carries the head with him towards Cloud and they engage in battle. During the fight, Cloud is impaled through the stomach and hung over the reactor's core. In a feat of strength, he grabs Sephiroth's sword and moves himself down the blade to solid ground and hurls Sephiroth aside. Sephiroth abandons the battle and jumps into the reactor core with Jenova's head in an attempt to reach the "Promised Land". Although Zack and Cloud survive the ordeal, they are taken to the Shinra Mansion by Hojo for experimentation.
The other event detailed in Last Order illustrates Zack and Cloud's escape from Shinra. While at the Shinra Mansion, Cloud had succumbed to Mako poisoning caused by a surge of memories flooding through his mind, rendering him in an unconscious, non-reactant state. Zack escapes with Cloud from the Shinra Mansion with the intention of returning to Midgar, the headquarters of Shinra. Shinra orders their paramilitary and the Turks to find and eliminate the two escapees. Tseng decides to capture them alive.
On a bluff overlooking Zack and Cloud, who had hitched a ride on a truck, Shinra operatives decide to ignore orders to wait for the Turks. One takes aim on the incapacitated Cloud. Zack jumps in front of Cloud, yelling at him to escape.

An animated short film, this instalment was easily forgotten by me, these events were covered in Crisis Core, the original VII, and touched on in Advent Children. The film was overkill to me, it was almost not necessary, if you learned anything new or different in the film then I could understand.
The animation was good, but I really think this was a waste of Square Enix resources.